Hass, E. (1949). The Socialist Labor Party and the internationals. New York: New York Labor News Company.
Chicago-viite (17. p.)Hass, Eric. The Socialist Labor Party and the Internationals. New York: New York Labor News Company, 1949.
MLA-viite (8. p.)Hass, Eric. The Socialist Labor Party and the Internationals. New York: New York Labor News Company, 1949.
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